Table 1. Hypermethylation of the NNAT CpG island in pediatric solid tumors.

Tumor	n Hypermethylated	n Analyzed	% Hypermethylated
Ewing sarcoma	4	10	40
Wilms’ tumor	1	13	7.7
Neuroblastoma	0	14	0
Osteosarcoma	8	11	72.7
CNS tumor	0	20	0
Total	13	68	19.1